Pseudotumerous enlargement of the umbilical cord owing to an intra-amniotic varicosity associated with thrombocytopenia.

Herein, we describe a male infant with an antenatally diagnosed single umbilical artery and extensive varicosities of the umbilical vein with tumor-like appearances. Consumption coagulopathy occurred postnatally, and surgical resection of the umbilical cord led to a normalization of the platelet count.